danicoin/src/System/TcpStream.h

// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <array>
#include <cstdint>
#include <streambuf>

namespace System {

class TcpConnection;

class TcpStreambuf : public std::streambuf {
public:
  explicit TcpStreambuf(TcpConnection& connection);
  TcpStreambuf(const TcpStreambuf&) = delete;
  ~TcpStreambuf();
  TcpStreambuf& operator=(const TcpStreambuf&) = delete;

private:
  TcpConnection& connection;
  std::array<char, 4096> readBuf;
  std::array<uint8_t, 1024> writeBuf;

  std::streambuf::int_type overflow(std::streambuf::int_type ch) override;
  int sync() override;
  std::streambuf::int_type underflow() override;
  bool dumpBuffer(bool finalize);
};

}